3087871481 has 4 divisors (see below), whose sum is σ = 3088196964. Its totient is φ = 3087546000.

The previous prime is 3087871477. The next prime is 3087871489. The reversal of 3087871481 is 1841787803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1841787803 = 17 ⋅108340459.

It can be written as a sum of positive squares in 2 ways, for example, as 2032206400 + 1055665081 = 45080^2 + 32491^2 .

It is a cyclic number.

It is not a de Polignac number, because 3087871481 - 2² = 3087871477 is a prime.

It is a super-2 number, since 2×3087871481² = 19069900566346266722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3087871489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148070 + ... + 167631.

It is an arithmetic number, because the mean of its divisors is an integer number (772049241).

Almost surely, 2^3087871481 is an apocalyptic number.

It is an amenable number.

3087871481 is a deficient number, since it is larger than the sum of its proper divisors (325483).

3087871481 is an equidigital number, since it uses as much as digits as its factorization.

3087871481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325482.

The product of its (nonzero) digits is 301056, while the sum is 47.

The square root of 3087871481 is about 55568.6195707613. The cubic root of 3087871481 is about 1456.1956816520.

The spelling of 3087871481 in words is "three billion, eighty-seven million, eight hundred seventy-one thousand, four hundred eighty-one".